annotate tests/test-lrucachedict.py @ 28778:256d90bb12fa

tests: make tinyproxy.py not import sys.argv by name
author Yuya Nishihara <yuya@tcha.org>
date Sun, 03 Apr 2016 20:12:59 +0900
parents 6cd3044985c2
children e3f01188d439
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1 from mercurial import util
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2
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3 def printifpresent(d, xs, name='d'):
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4 for x in xs:
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5 present = x in d
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6 print "'%s' in %s: %s" % (x, name, present)
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7 if present:
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8 print "%s['%s']: %s" % (name, x, d[x])
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9
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10 def test_lrucachedict():
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11 d = util.lrucachedict(4)
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12 d['a'] = 'va'
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13 d['b'] = 'vb'
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14 d['c'] = 'vc'
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15 d['d'] = 'vd'
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16
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17 # all of these should be present
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18 printifpresent(d, ['a', 'b', 'c', 'd'])
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19
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20 # 'a' should be dropped because it was least recently used
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21 d['e'] = 've'
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22 printifpresent(d, ['a', 'b', 'c', 'd', 'e'])
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23
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24 # touch entries in some order (get or set).
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25 d['e']
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26 d['c'] = 'vc2'
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27 d['d']
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28 d['b'] = 'vb2'
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29
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30 # 'e' should be dropped now
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31 d['f'] = 'vf'
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32 printifpresent(d, ['b', 'c', 'd', 'e', 'f'])
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33
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34 d.clear()
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35 printifpresent(d, ['b', 'c', 'd', 'e', 'f'])
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36
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37 # Now test dicts that aren't full.
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38 d = util.lrucachedict(4)
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39 d['a'] = 1
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40 d['b'] = 2
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41 d['a']
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42 d['b']
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43 printifpresent(d, ['a', 'b'])
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44
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45 # test copy method
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46 d = util.lrucachedict(4)
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47 d['a'] = 'va3'
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48 d['b'] = 'vb3'
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49 d['c'] = 'vc3'
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50 d['d'] = 'vd3'
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51
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52 dc = d.copy()
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53
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54 # all of these should be present
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55 print "\nAll of these should be present:"
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56 printifpresent(dc, ['a', 'b', 'c', 'd'], 'dc')
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57
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58 # 'a' should be dropped because it was least recently used
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59 print "\nAll of these except 'a' should be present:"
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60 dc['e'] = 've3'
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61 printifpresent(dc, ['a', 'b', 'c', 'd', 'e'], 'dc')
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62
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63 # contents and order of original dict should remain unchanged
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64 print "\nThese should be in reverse alphabetical order and read 'v?3':"
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65 dc['b'] = 'vb3_new'
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66 for k in list(iter(d)):
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67 print "d['%s']: %s" % (k, d[k])
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68
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69 if __name__ == '__main__':
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70 test_lrucachedict()